import java.net.*;
import java.io.*;
import sun.net.www.*;
import sun.net.www.http.*;
import sun.net.*;

// not thread safe

public class PageGrabber {

  MessageHeader request;
  MessageHeader response;


  public static void main(String[] args) {
  
    PageGrabber pg = new PageGrabber();
  
    for (int i = 0; i < args.length; i++) {
      try {
        URL u = new URL(args[i]);
        pg.getPage(u);
      }
      catch (MalformedURLException e) {
        System.err.println("Usage: java GrabPage URL1 URL2 ...");
      }
    }
  
  }
  
  public PageGrabber() {
  
    request = new MessageHeader();
    response = new MessageHeader();
    request.add("User-Agent", "PageGrabber 1.0");
    request.add("Accept", "text/html, text/plain, text/*");
  
  }


  public void getPage(URL u) {    

    try {
      HttpClient hc = new HttpClient(u, null, -1);
      request.prepend("GET " + hc.getURLFile() + " " + "HTTP/1.0", null);
      hc.writeRequests(request);
      hc.parseHTTP(response, new ProgressEntry(u.getFile(), null));
      InputStreamReader isr = new InputStreamReader(hc.getInputStream());
      BufferedReader br = new BufferedReader(isr);
      try {
      while (true) {
        if (br.ready()) {
          String theLine = br.readLine();
          if (theLine == null) break;
          System.out.println(theLine);
        }
      }
      }
      catch(NullPointerException e) {
        System.err.println(e);
        e.printStackTrace();
      }
      HttpClient.finished(hc);
    }
    catch (IOException e) {
      System.err.println(e);      
    }

  }


}